镜泊湖流域浮游植物群落及其功能类群的时空演替特征研究
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2020-03-10 11:24:04
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第40卷第5期2015年5月环境科学与管理ENVIRONMENTALSCIENCEANDMANAGEMENTVol.40No.5May2015收稿日期:2015-03-24基金项目:国家水体污染控制重大专项(2013ZX07502001-003)作者简介:庄道阔(1988-),男,在读硕士研究生,研究方向:水生态学。通讯作者:刘录三文章编号:1674-6139(2015)05-0142-06镜泊湖流域浮游植物群落及其功能类群的时空演替特征研究庄道阔1,2,刘存歧1,刘录三2,李黎2,刘志超2,杨晨晨2(1.河北大学生命科学学院,河北保定071000;2.中国环境科学研究院,北京100010)摘要:为了解镜泊湖流域浮游植物群落的时空变化特征,于2013年对镜泊湖流域进行了采样调查。共检测出浮游植物7门81种(属),以硅藻和绿藻为主,分属17个功能类群。时间上,春季浮游植物丰度、叶绿素含量和功能类群丰度均高于秋季。空间上,春季镜泊湖流域浮游植物丰度和叶绿素含量湖泊区>汇水区>出水区,秋季汇水区>湖泊区>出水区。多维尺度分析表明,镜泊湖流域不同区域之间浮游植物群落组成存在显著的空间差异。关键词:浮游植物;功能类群;时空演替;富营养化;镜泊湖流域中图分类号:X176文献标志码:ATemporalandSpatialSuccessionofPhytoplanktonTaxonomicandFunctionalGroupsinJingboLakeBasinsZhuangDaokuo1,2,LiuCunqi1,LiuLusan2,LiLi2,LiuZhichao2,YangChenchen2(1.CollegeofLifeScience,HebeiUniversity,Baoding071000,China;2.ChinaResearchAcademyofEnvironmentScience,Beijing100010,Chia)Abstract:InordertounderstandtheseasonaldynamicsofphytoplanktoncommunitystructureinJingpoLakebasins,thispapercarriedoutasurveyin2013.Atotalof81phytoplanktonspeciesthatbelongedto7phylawereidentifiedandthedominantclasseswereBacillariophytaandChlorophyta.Seventeenphytoplanktonfunctionalgroupswereclassed,and9and5mainfunctionalgroupswereidentifiedinspringandautumn,respectively.TemporalandspatialdynamicsofphytoplanktoncommunityinJingpoLakeBa-sinswereexamined.Seasonally,theabundanceandchlorophyllconcentrationofphytoplanktoninspringhigherthanautumn.Spa-tially,theabundanceandchlorophyllconcentrationofphytoplanktoninspringweresignificantlyhigherinthelakedistrictthanthecatchmentareaanddrainagearea,whiletheabundanceofphytoplanktonfunctionalgroupsinthecatchmentareahigherthanthelakedistrictanddrainagearea.Inautumn,theabundance,chlorophyllconcentrationandfunctionalgroupsofphytoplanktoninthecatchmentareaweresignificantlyhigherthanthelakedistrictanddrainagearea.Multidimensionalscalinganalysisofphytoplanktoncompositionshowedsignificantdifferencesamongthecatchmentarea,lakedistrictanddrainageareainJingpoLakeBasins.Keywords:phytoplankton;functionalgroups;temporalandspatialsuccessio
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